CA243183A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA243183A
CA243183A CA243183A CA243183DA CA243183A CA 243183 A CA243183 A CA 243183A CA 243183 A CA243183 A CA 243183A CA 243183D A CA243183D A CA 243183DA CA 243183 A CA243183 A CA 243183A
Authority
CA
Canada
Prior art keywords
telephone system
telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA243183A
Other languages
English (en)
Inventor
Wicks John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA243183A publication Critical patent/CA243183A/fr
Expired legal-status Critical Current

Links

CA243183A Systeme telephonique Expired CA243183A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243183T

Publications (1)

Publication Number Publication Date
CA243183A true CA243183A (fr) 1924-09-23

Family

ID=35147211

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243183A Expired CA243183A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA243183A (fr)

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